I had a few final questions regarding plating a dirt bike. I'll put them in post #2. I thought maybe a summary of the 600+ post thread on the topic might be useful first, as inevitably these threads inevitably come back to life with more questions about the process. This is current to my knowledge as of 11/2011... Let me know if there are any errors, I'll edit this first post. Plating a dirt bike. Summary: Have the following documents and forms: Colorado DMV DR2686. CERTIFICATE OF EQUIPMENT COMPLIANCE (Make sure you get the latest version, Currently 7/11/11) Colorado DMV DR2698 VERIFICATION OF VEHICLE IDENTIFICATION NUMBER A Bill of Sale or MSO. It must have the following very specific language. "SELLER(S) CERTIFY UNDER PENALTY OF PERJURY THAT THE ABOVE IS TRUE AND CORRECT TO THE BEST OF THEIR KNOWLEDGE." (not required if the document is notarized). "MOTORCYCLE IS FOR OFF ROAD USE ONLY". If it doesn't have this language, you are going to probably have to go back to the seller and have them sign a new document. It must of course also be signed, dated, have the vehicle purchase price, mileage (put unknown if no odo) and VIN. Add equipment as required in DR2686. In particular: Headlight (there is no specific hi/lo requirement) Taillight Brake light Mirror Horn (cheap battery powered or squeeze horn usually works) DOT tires (stamped on the sidewall) Side reflectors (This requirement is deleted in the latest 07/11/11 version of DR2686) No turn signals needed. Go to the State Patrol: Make Appointment with a Colorado State Patrol Certified Vin Inspector. Bring the following to your appointment: Motorcycle for inspection DR2686 (though they should have this) DR2698 (they have been reported to sometimes NOT have this) Bill of sale (though I don't it is needed for the state patrol) Get the trooper to sign your DR2686, DR2698. Now for the really fun part... Go to the DMV: Bring the following documents: Signed DR2686 Signed DR2698 Bill of sale Proof of insurance (unless purchased less than 30 days ago, and you have proof of insurance on another vehicle.) You do not need the motorcycle.. ID Wait forever at DMV, and hope that you get a worker with a clue. Fork over a bunch of money for registration, plates, and sales tax. Bring a check, in case their credit card system is broken. Again. Go home with your plates. Finally, Wheelie down the road with impunity. Not. Realize that cops often don't have a clue might argue with you that your bike is legal. Colorado has evidently changed the rules about off road use, and now require an OHV Sticker even for plated bikes?